# 查询字典的所有元素

per_info = {'001': '张三', '002': '李四', '003': '王五'}
for i in per_info.items():
    print(i)


# 查询字典的所有键

print(per_info.keys())
for i in per_info.keys():
    print(i)


    # 查询字典的所有值
print(per_info.values())
for i in per_info.values():
    print(i)


